package jdbc;

import sun.net.ConnectionResetException;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

/*

 */
public class Demo2 {
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
//        Class.forName("com.mysql.cj.jdbc.Driver");
//        Connection connection = DriverManager.getConnection(
//                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
//                "root",
//                "root");
//        System.out.println("与数据库建立连接");
//        Statement statement = connection.createStatement();
        Connection connection = DBUtil.getConnection();
        Statement statement = connection.createStatement();
        /*
        向user表中处插入一条记录
        INSERT INTO user(username,password,nickname,age)
        VALUES('张三','123456','阿三',22)
                 */
        String sql = "INSERT INTO user(username,password,nickname,age)\n" +
                "        VALUES('张三','123456','阿三',22)";
        int num = statement.executeUpdate(sql);
        System.out.println("插入完毕,影响了表中:"+num+"条记录");
        connection.close();

    }
}
